* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body {
    text-align: center;
    background-color: #333333;
    color: #666;
}
.btn {
    border-radius: 5px;
    width: 100px;
    height: 30px;
    border: none;
    cursor: pointer;
    margin-top: 5px;
}
audio {
    width: 400px;
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    bottom: 20px;
}
#container {
    height: 80vh;
    padding: 40px;
    overflow: hidden;
}
#lrc-list {
    transition: 0.34s ease-out;
}
#lrc-list li {
    height: 50px;
    width: 100%;
    line-height: 50px;
    list-style: none;
    transition: 0.34s linear;
}

#lrc-list li.active {
    transform: scale(1.5);
    width: 100%;
    color: aqua;
}

audio:focus {
    outline: none;
}
